REMOVE

1. albumen print
2. landscape, hot spring
3. animal, mules
4. Photographs

WHAT

1. albumen print (1)
2. animal, mules (1)
3. artifact, camera (1)
4. landscape, hot spring (1)

WHERE

1. North American; American (1)
2. US, NV, Sioux Spring (1)

WHO

1. George Eastman House (1)
2. O'Sullivan, Timothy H. (1)

WHEN

1. 1868 (1)